/Engine/Plugins/Enterprise/DatasmithFBXImporter/Source/DatasmithFBXTranslator/Public/DatasmithFBXFileImporter.h
Extract all animation curves from the FBX and pack them into OutScene->AnimNodes. Note that only VRED uses this data, as for DeltaGen all animation data comes from .tml aux files
void ExtractAnimations ( FbxNode * Node )